Answers

Add 25/84 and 35/80

25/84 + 35/80 is 247/336.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 80 is 1680
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1680
2. For the 1st fraction, since 84 × 20 = 1680,
   25/84 = 25 × 20/84 × 20 = 500/1680
3. Likewise, for the 2nd fraction, since 80 × 21 = 1680,
   35/80 = 35 × 21/80 × 21 = 735/1680
4. Add the two like fractions:
   500/1680 + 735/1680 = 500 + 735/1680 = 1235/1680
5. 1235/1680 simplified gives 247/336
6. So, 25/84 + 35/80 = 247/336

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related: ⁵⁰/₈₄+³⁵/₈₀ ²⁵/₈₄+⁷⁰/₈₀ ⁷⁵/₈₄+³⁵/₈₀

Add Fractions Calculator